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Results tagged with python
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user 71670
Python is an interactive, object-oriented programming language. In Blender, it is used as a general-purpose scripting language and to create add-ons to extend Blender's functionality.
4
votes
2
answers
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Blender 2.8 Python Addon: How to register a Button?
I am sure one could define a shortcut in the preferences, but for several reasons I'm interested in this add-on solution:
I'm trying to learn Python. …
- 109
0
votes
0
answers
352
views
of a registerable rna type (ToolSettiRegister Addon: ValueError: register_class(...): expect...
This question follows: Blender 2.8 Python Addon: How to register a Button?
Late thanks dr.Sybren! I like your "Scripting for Artists". …
- 109
1
vote
1
answer
168
views
foreach_set - Doesn't "False" toggle selection off?
I have some verticies selected (for example vtx[0] from total 9), but try to select some others using "foreach_set".
So, I create an array (...here with 8 times "False", except vtx[8] is "True") and " …
- 109
1
vote
foreach_set - Doesn't "False" toggle selection off?
This seems to work:
oa = bpy.context.active_object
bpy.ops.object.mode_set(mode='OBJECT')
sl = np.zeros(9, dtype=np.int32)
sl[8] = 1
setV = np.zeros(len(oa.data.vertices), dtype=np.bool)
setE = np. …
- 109
0
votes
0
answers
75
views
Invoking Operator fetched from C.window_manager.operators
This follows my question "Accessing Transform Operator History inclusive constraint_axis in Python script"
As you can see, I get an operator from the "history" stored in C.window_manager.operators inclusive …
- 109
0
votes
0
answers
93
views
Is it possible to force invoked default transform operator to start/finish with custom event?
This is a very simplified version of the addon, I'm working on:
import bpy
import numpy as np
def get_oa():
bpy.context.view_layer.update()
layer = bpy.context.view_layer
layer.update()
…
- 109
0
votes
0
answers
128
views
Accessing Transform Operator History inclusive constraint_axis in Python script
Please have a look at this:
I am writing a script wich changes selected verts.
Lets say the user is in Box-select-mode (...or whatever tool), selects something, does some constrained transformatio …
- 109
1
vote
1
answer
265
views
How to get 2D-viewport coords using numpy?
I started an add-on by copying operators and ended up using numpy.
I have some raw 3D-vertex-coords and need there 2D-viewport-coords.
I'd like to do the following, but with numpy:
for area in bpy. …
- 109
0
votes
How to "refresh" variables / selected components for an operator in python script?
The right answer is, that all tho code outside the OP stays "static".
Running everything inside the OP solves the problem.
- 109
1
vote
1
answer
527
views
How to "refresh" variables / selected components for an operator in python script?
I'm working on an addon changing selected verticies per keyboard.
It collects data:
import bpy
import numpy as np
import bmesh
################ update scene ####################
bpy.context.view_laye …
- 109